A few decades ago, contracting Lyme disease in the US may have seemed like a stroke of bad luck. But today, the risk may be a whole lot greater.

In the fight against antibiotic resistance, the National Institutes of Health (NIH) is hoping for a breakthrough.

Months after Blue Bell Creameries closed its facilities due to listeria contamination in its ice cream, the company is reporting that it has found more listeria in one of its facilities.

When it comes to flu vaccines, which is better: A squirt in the nose or a shot in the arm?

Patients with a debilitating, rare lung disease just got a new treatment option.

Flu vaccines are known to be less effective in the elderly. But until now, the mechanisms behind this phenomenon were not well-understood.

Some flu vaccines are made using eggs, raising safety concerns for many patients with egg allergies. But a new finding may help put that fear to rest.

For kids with acute lymphoblastic leukemia (ALL), bacterial infections can cause dangerous complications. But a new treatment option may be able to help.

This week is National Influenza Vaccination Week. Have you had your flu shot yet?

For patients with cancers of the immune system, such as multiple myeloma, common infections like the flu can be especially dangerous. And new evidence suggests that standard flu shots may not offer adequate protection for these patients.